Mtb tyre bike winter tyre size 275 x 225 inches size etrto 57 584 diameter inches 27 5 inch applications mtb touring type clincher puncture protection race guard karkasse liteskin weight 1 100 g series schwalbe ice spiker min reifendruck 18 bar max tire pressure 37 bar tpi 67 gummimischung winter tyre profile hs379 max load 110 kg colour black puncture protection